It is the only quick solving game can be a 1 Tetsume of chess problems that are questions at random. You can play a little free time. Compete for the number of problems solved during the time limit of 60 seconds with the "60 seconds mode", there is a "sudden death mode" immediate end of Once mistake there is a time limit for each question. Since it is also available daily ranking of the net, please try aiming for top finishers!